These are very evocative original sounds! Lots of character and clarity. You've done a good job.
While this project is small enough to avoid the attention of Nintendo, they still have a very eager legal team to defend any potential Intellectual Property 'infringement'. (Although they don't own the concept of tiny monsters that can fit into your pocket at least. There is always the opportunity to rebrand to avoid potential litigation. I'm not a lawyer, and nothing I say can be taken as legal advice. I'd hate to see a skilled individual possibly bitten by a big company.)